– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 9 am Mon 08 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 am Mon 08 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Mon 08 Dec Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 134mm), heaviest during Mon night. Mild temperatures (max 9°C on Mon afternoon, min 4°C on Mon night). Wind will be generally light. | Days 4–6 Weather SummaryHeavy rain (total 30mm), heaviest during Fri afternoon. Very mild (max 10°C on Sat morning, min 5°C on Thu night). Wind will be generally light. | |||||||||||||||||
Monday 8 | Tuesday 9 | Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | | | | | |  |  | | |  | | | | |
mod. rain | heavy rain | heavy rain | rain shwrs | light rain | heavy rain | heavy rain | heavy rain | heavy rain | light rain | cloudy | light rain | light rain | mod. rain | mod. rain | rain shwrs | cloudy | mod. rain | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
8 | 15 | 23 | 0.2 | 1.3 | 26 | 20 | 18 | 23 | 0.6 | — | 5 | 1 | 5 | 9 | 0.1 | — | 9 | |
max°C | 7 | 9 | 7 | 6 | 6 | 9 | 8 | 8 | 8 | 7 | 7 | 6 | 8 | 8 | 8 | 10 | 9 | 8 |
min°C | 6 | 9 | 4 | 5 | 4 | 5 | 8 | 7 | 7 | 7 | 6 | 5 | 6 | 8 | 8 | 9 | 9 | 7 |
3 | 7 | 2 | 4 | 2 | 3 | 6 | 6 | 7 | 6 | 6 | 5 | 4 | 6 | 7 | 8 | 7 | 4 | |
1600 | 2250 | 1300 | 1250 | 1550 | 2550 | 1950 | 1800 | 2050 | 1550 | 1600 | 1350 | 2000 | 1950 | 2000 | 2300 | 2300 | 1750 | |
Cloud base (m) | 550 | 550 | 600 | 650 | 2450 | 550 | 550 | 550 | 550 | 600 | 3100 | 600 | 600 | 550 | 550 | 550 | 650 | 550 |
 | 7:47 | — | — | 7:48 | — | — | 7:48 | — | — | 7:50 | — | — | 7:50 | — | — | 7:52 | — | — |
 | — | 4:10 | — | — | 4:10 | — | — | 4:10 | — | — | 4:10 | — | — | 4:10 | — | — | 4:10 | — |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Heavy rain (total 134mm), heaviest during Mon night. Mild temperatures (max 9°C on Mon afternoon, min 4°C on Mon night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Heavy rain (total 30mm), heaviest during Fri afternoon. Very mild (max 10°C on Sat morning, min 5°C on Thu night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.